content: /*
   * Copyright 2016-present David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.rxjava3.string;
  
  import java.util.concurrent.atomic.AtomicBoolean;
  
  import io.reactivex.rxjava3.core.*;
  import io.reactivex.rxjava3.disposables.Disposable;
  
  final class ObservableCharSequence extends Observable<Integer> {
  
      final CharSequence string;
  
      ObservableCharSequence(CharSequence string) {
          this.string = string;
      }
  
      @Override
      protected void subscribeActual(Observer<? super Integer> observer) {
          Disposable d = new BooleanDisposable();
  
          observer.onSubscribe(d);
  
          CharSequence s = string;
          int len = s.length();
  
          for (int i = 0; i < len; i++) {
              if (d.isDisposed()) {
                  return;
              }
              observer.onNext((int)s.charAt(i));
          }
          if (d.isDisposed()) {
              return;
          }
          observer.onComplete();
      }
  
      static final class BooleanDisposable extends AtomicBoolean implements Disposable {
  
          private static final long serialVersionUID = -4762798297183704664L;
  
          @Override
          public void dispose() {
              lazySet(true);
          }
  
          @Override
          public boolean isDisposed() {
              return get();
          }
      }
  }
  